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ReactiveX/RxJava

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src/main/java/rx/Single.java

Summary

Maintainability
F
1 wk
Test Coverage

Single has 123 methods (exceeds 20 allowed). Consider refactoring.
Open

public class Single<T> {

    final OnSubscribe<T> onSubscribe;

    /**
Severity: Major
Found in src/main/java/rx/Single.java - About 2 days to fix

    File Single.java has 642 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    /**
 * Copyright 2015 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
    Severity: Major
    Found in src/main/java/rx/Single.java - About 1 day to fix

      Method subscribeOn has 35 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          public final Single<T> subscribeOn(final Scheduler scheduler) {
        if (this instanceof ScalarSynchronousSingle) {
            return ((ScalarSynchronousSingle<T>)this).scalarScheduleOn(scheduler);
        }
        return create(new OnSubscribe<T>() {
      Severity: Minor
      Found in src/main/java/rx/Single.java - About 1 hr to fix

        Method unsubscribeOn has 32 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

            @Experimental
    public final Single<T> unsubscribeOn(final Scheduler scheduler) {
        return create(new OnSubscribe<T>() {
            @Override
            public void call(final SingleSubscriber<? super T> t) {
        Severity: Minor
        Found in src/main/java/rx/Single.java - About 1 hr to fix

          Method zip has 10 arguments (exceeds 4 allowed). Consider refactoring.
          Open

              public static <T1, T2, T3, T4, T5, T6, T7, T8, T9, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, Single<? extends T5> s5, Single<? extends T6> s6, Single<? extends T7> s7, Single<? extends T8> s8,
                                                                        Single<? extends T9> s9, final Func9<? super T1, ? super T2, ? super T3, ? super T4, ? super T5, ? super T6, ? super T7, ? super T8, ? super T9, ? extends R> zipFunction) {
          Severity: Major
          Found in src/main/java/rx/Single.java - About 1 hr to fix

            Method merge has 9 arguments (exceeds 4 allowed). Consider refactoring.
            Open

                public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8, Single<? extends T> t9) {
            Severity: Major
            Found in src/main/java/rx/Single.java - About 1 hr to fix

              Method concat has 9 arguments (exceeds 4 allowed). Consider refactoring.
              Open

                  public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8, Single<? extends T> t9) {
              Severity: Major
              Found in src/main/java/rx/Single.java - About 1 hr to fix

                Method zip has 9 arguments (exceeds 4 allowed). Consider refactoring.
                Open

                    public static <T1, T2, T3, T4, T5, T6, T7, T8, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, Single<? extends T5> s5, Single<? extends T6> s6, Single<? extends T7> s7, Single<? extends T8> s8,
                                                                    final Func8<? super T1, ? super T2, ? super T3, ? super T4, ? super T5, ? super T6, ? super T7, ? super T8, ? extends R> zipFunction) {
                Severity: Major
                Found in src/main/java/rx/Single.java - About 1 hr to fix

                  Method iterableToArray has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
                  Open

                      @SuppressWarnings("unchecked")
    static <T> Single<? extends T>[] iterableToArray(final Iterable<? extends Single<? extends T>> singlesIterable) {
        Single<? extends T>[] singlesArray;
        int count;
                  Severity: Minor
                  Found in src/main/java/rx/Single.java - About 1 hr to fix

                  Cognitive Complexity

                  Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

                  A method's cognitive complexity is based on a few simple rules:

                  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
                  • Code is considered more complex for each "break in the linear flow of the code"
                  • Code is considered more complex when "flow breaking structures are nested"

                  Further reading

                  Method iterableToArray has 26 lines of code (exceeds 25 allowed). Consider refactoring.
                  Open

                      @SuppressWarnings("unchecked")
    static <T> Single<? extends T>[] iterableToArray(final Iterable<? extends Single<? extends T>> singlesIterable) {
        Single<? extends T>[] singlesArray;
        int count;
                  Severity: Minor
                  Found in src/main/java/rx/Single.java - About 1 hr to fix

                    Method merge has 8 arguments (exceeds 4 allowed). Consider refactoring.
                    Open

                        public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8) {
                    Severity: Major
                    Found in src/main/java/rx/Single.java - About 1 hr to fix

                      Method zip has 8 arguments (exceeds 4 allowed). Consider refactoring.
                      Open

                          public static <T1, T2, T3, T4, T5, T6, T7, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, Single<? extends T5> s5, Single<? extends T6> s6, Single<? extends T7> s7,
                                                                final Func7<? super T1, ? super T2, ? super T3, ? super T4, ? super T5, ? super T6, ? super T7, ? extends R> zipFunction) {
                      Severity: Major
                      Found in src/main/java/rx/Single.java - About 1 hr to fix

                        Method concat has 8 arguments (exceeds 4 allowed). Consider refactoring.
                        Open

                            public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8) {
                        Severity: Major
                        Found in src/main/java/rx/Single.java - About 1 hr to fix

                          Method zip has 7 arguments (exceeds 4 allowed). Consider refactoring.
                          Open

                              public static <T1, T2, T3, T4, T5, T6, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, Single<? extends T5> s5, Single<? extends T6> s6,
                                                            final Func6<? super T1, ? super T2, ? super T3, ? super T4, ? super T5, ? super T6, ? extends R> zipFunction) {
                          Severity: Major
                          Found in src/main/java/rx/Single.java - About 50 mins to fix

                            Method merge has 7 arguments (exceeds 4 allowed). Consider refactoring.
                            Open

                                public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7) {
                            Severity: Major
                            Found in src/main/java/rx/Single.java - About 50 mins to fix

                              Method concat has 7 arguments (exceeds 4 allowed). Consider refactoring.
                              Open

                                  public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7) {
                              Severity: Major
                              Found in src/main/java/rx/Single.java - About 50 mins to fix

                                Method concat has 6 arguments (exceeds 4 allowed). Consider refactoring.
                                Open

                                    public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6) {
                                Severity: Minor
                                Found in src/main/java/rx/Single.java - About 45 mins to fix

                                  Method zip has 6 arguments (exceeds 4 allowed). Consider refactoring.
                                  Open

                                      public static <T1, T2, T3, T4, T5, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, Single<? extends T5> s5, final Func5<? super T1, ? super T2, ? super T3, ? super T4, ? super T5, ? extends R> zipFunction) {
                                  Severity: Minor
                                  Found in src/main/java/rx/Single.java - About 45 mins to fix

                                    Method merge has 6 arguments (exceeds 4 allowed). Consider refactoring.
                                    Open

                                        public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6) {
                                    Severity: Minor
                                    Found in src/main/java/rx/Single.java - About 45 mins to fix

                                      Method merge has 5 arguments (exceeds 4 allowed). Consider refactoring.
                                      Open

                                          public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5) {
                                      Severity: Minor
                                      Found in src/main/java/rx/Single.java - About 35 mins to fix

                                        Method zip has 5 arguments (exceeds 4 allowed). Consider refactoring.
                                        Open

                                            public static <T1, T2, T3, T4, R> Single<R> zip(Single<? extends T1> s1, Single<? extends T2> s2, Single<? extends T3> s3, Single<? extends T4> s4, final Func4<? super T1, ? super T2, ? super T3, ? super T4, ? extends R> zipFunction) {
                                        Severity: Minor
                                        Found in src/main/java/rx/Single.java - About 35 mins to fix

                                          Method concat has 5 arguments (exceeds 4 allowed). Consider refactoring.
                                          Open

                                              public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5) {
                                          Severity: Minor
                                          Found in src/main/java/rx/Single.java - About 35 mins to fix

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                    } catch (Throwable ex) {
            Exceptions.throwIfFatal(ex);
            // if an unhandled error occurs executing the onSubscribe we will propagate it
            try {
                te.onError(RxJavaHooks.onSingleError(ex));
                                            Severity: Major
                                            Found in src/main/java/rx/Single.java and 1 other location - About 1 hr to fix
                                            src/main/java/rx/Single.java on lines 1839..1856

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 80.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                    } catch (Throwable e) {
            // special handling for certain Throwable/Error/Exception types
            Exceptions.throwIfFatal(e);
            // if an unhandled error occurs executing the onSubscribe we will propagate it
            try {
                                            Severity: Major
                                            Found in src/main/java/rx/Single.java and 1 other location - About 1 hr to fix
                                            src/main/java/rx/Single.java on lines 1981..1997

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 80.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            return zipFunction.call((T1) args[0], (T2) args[1], (T3) args[2], (T4) args[3], (T5) args[4], (T6) args[5], (T7) args[6], (T8) args[7], (T9) args[8]);
                                            Severity: Major
                                            Found in src/main/java/rx/Single.java and 1 other location - About 1 hr to fix
                                            src/main/java/rx/functions/Functions.java on lines 291..291

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 78.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            return zipFunction.call((T1) args[0], (T2) args[1], (T3) args[2], (T4) args[3], (T5) args[4], (T6) args[5], (T7) args[6], (T8) args[7]);
                                            Severity: Major
                                            Found in src/main/java/rx/Single.java and 1 other location - About 1 hr to fix
                                            src/main/java/rx/functions/Functions.java on lines 259..259

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 70.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            return zipFunction.call((T1) args[0], (T2) args[1], (T3) args[2], (T4) args[3], (T5) args[4], (T6) args[5], (T7) args[6]);
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 50 mins to fix
                                            src/main/java/rx/functions/Functions.java on lines 228..228

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 62.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            if (count == tempArray.length) {
                    Single<? extends T>[] sb = new Single[count + (count >> 2)];
                    System.arraycopy(tempArray, 0, sb, 0, count);
                    tempArray = sb;
                }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 50 mins to fix
                                            src/main/java/rx/internal/operators/OnSubscribeCombineLatest.java on lines 66..70

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 58.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8, Single<? extends T> t9) {
        return Observable.merge(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7), asObservable(t8), asObservable(t9));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 45 mins to fix
                                            src/main/java/rx/Single.java on lines 450..452

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 54.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                        @Override
            public void call(SingleSubscriber<? super T> singleSubscriber) {
                Single<? extends T> single;

                try {
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 45 mins to fix
                                            src/main/java/rx/internal/operators/SingleFromCallable.java on lines 37..49

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 54.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            t.add(Subscriptions.create(new Action0() {
                    @Override
                    public void call() {
                        final Scheduler.Worker w = scheduler.createWorker();
                        w.schedule(new Action0() {
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 45 mins to fix
                                            src/main/java/rx/Completable.java on lines 2350..2365

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 54.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            return zipFunction.call((T1) args[0], (T2) args[1], (T3) args[2], (T4) args[3], (T5) args[4], (T6) args[5]);
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 45 mins to fix
                                            src/main/java/rx/functions/Functions.java on lines 198..198

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 54.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8, Single<? extends T> t9) {
        return Observable.concat(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7), asObservable(t8), asObservable(t9));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 45 mins to fix
                                            src/main/java/rx/Single.java on lines 946..948

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 54.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8) {
        return Observable.merge(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7), asObservable(t8));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 40 mins to fix
                                            src/main/java/rx/Single.java on lines 415..417

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 49.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                        @Override
            public void call(final SingleSubscriber<? super T> child) {
                SingleSubscriber<Single<? extends T>> parent = new SingleSubscriber<Single<? extends T>>() {

                    @Override
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 40 mins to fix
                                            src/main/java/rx/internal/util/ScalarSynchronousSingle.java on lines 131..145

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 49.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7, Single<? extends T> t8) {
        return Observable.concat(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7), asObservable(t8));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 40 mins to fix
                                            src/main/java/rx/Single.java on lines 908..910

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 49.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Identical blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                            return zipFunction.call((T1) args[0], (T2) args[1], (T3) args[2], (T4) args[3], (T5) args[4]);
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 35 mins to fix
                                            src/main/java/rx/functions/Functions.java on lines 169..169

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 46.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> concat(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7) {
        return Observable.concat(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 35 mins to fix
                                            src/main/java/rx/Single.java on lines 872..874

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 44.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

                                            Similar blocks of code found in 2 locations. Consider refactoring.
                                            Open

                                                public static <T> Observable<T> merge(Single<? extends T> t1, Single<? extends T> t2, Single<? extends T> t3, Single<? extends T> t4, Single<? extends T> t5, Single<? extends T> t6, Single<? extends T> t7) {
        return Observable.merge(asObservable(t1), asObservable(t2), asObservable(t3), asObservable(t4), asObservable(t5), asObservable(t6), asObservable(t7));
    }
                                            Severity: Minor
                                            Found in src/main/java/rx/Single.java and 1 other location - About 35 mins to fix
                                            src/main/java/rx/Single.java on lines 382..384

                                            Duplicated Code

                                            Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

                                            Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

                                            When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

                                            Tuning

                                            This issue has a mass of 44.

                                            We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

                                            The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

                                            If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

                                            See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

                                            Refactorings

                                            Further Reading

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